| 单词 | guard-bolt | 
| 释义 | > as lemmasguard-bolt   guard-bolt  n. (see quot. a1884). ΚΠ a1884    E. H. Knight Pract. Dict. Mech. Suppl. 428/2  				Guard Bolt, a flat-headed screw-bolt, fully counter-sunk, for fastening the guards of mowing machines to the bars. < as lemmas | 
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